.header{
    height: 482px;
}

.container{
    width: 1026px;
    margin: 0 auto;
}

.nav{
    background-color: #232323;
    height: 62px;
    line-height: 62px;
    /* width:auto; */
}

.nav-item{
    float: right;
    height: 62px;
}

.i{
    font-size: 14px;
    display: inline-block;
    height: 62px;
    padding: 0 10px;
    color: white;
    /* background-color: red; */
    margin: -6px;
}
.i:hover{
    background-color: #f15a23;
}

.bigimg{
    display: block;
    /* width: 3000px; */
    margin-left: -460px;
    margin-right: auto;
    margin-top: -100px;
}

.mark1{
    background-color: #f5f5f5;
    height: 310px;
}

.mark1 .box{
    text-align: center;
    float: left;
    position: relative;
    top: 30px;
    width: 255px;
    box-sizing: border-box;
    border-right: 1px solid #dde6f0;
    padding-top: 30px;
    padding-bottom: 30px;
}
.mark1 .first{
    width: 260px;

}
.mark1 .last{
    border-right: 1px solid transparent;
}

.box-title{
    font-size: 20px;
    margin-top: 10px;
}
.p1{
    font-size: 14px;
    color: #546a7a;
    margin-top: 15px;
}
.p2{
    font-size: 14px;
    line-height: 16px;
    margin-top: 15px;
    color: #a5c6db;
}

.mark2{
    padding-top: 40px;
    padding-bottom: 40px;
}

.box-left{
    width: 690px;
    height: 230px;
    display: inline-block;
    border-right: 1px solid #dcdedf;
}

.box-left-t{
    float: left;
    padding-top: 6px;
    margin-left: 16px;
    padding-bottom: 10px;
    border-bottom: 1px dashed #dcdedf;
}

.box-left-b{
    display: inline-block;
    padding-top: 15px;
    margin-left: 16px;
    font-size: 15px;
    line-height: 27px;
}

.box-right{
    display: inline-block;
    margin-left: 16px;
    vertical-align: top;
    font-size: 15px;
}
.box-right .zixun{
    font-size: 15px;
    display: inline-block;
    margin-top: 20px;
    margin-left: 8px;
    padding: 4px 20px;
    padding-top: 6px;
    padding-left: 20px;
    background-color: #fd8200;
    color: white;
    margin-bottom: 25px;
}
/* ? */
.box-right .zixun::before{ 
    content: '';
    display: inline-block;
    border: 4px solid #fd8200;
    border-left-color: transparent;
    border-bottom-color: transparent;
    position: relative;
    left: -27px;
    top: -5px;
}

.foot{
    background-color: #222222;
    height: 230px;
    padding-top: 20px;
}

.foot-left{
    float: left;
    padding-top: 30px;
    border-right: 1px transparent solid;
    /* ? */
    border-image: -webkit-linear-gradient(top,transparent,#3a3a3a) 1 10;
}

.foot-left .f{
    font-size: 14px;
    float: left;
    text-align: center;
    color: white;
    width: 115px;
    height: 150px;
}
.foot-left .f .first{
    display: inline-block;
    margin-bottom: 20px;
    color: white;
}
.foot-left .f li{
    line-height: 28px;
    color: #9f9f9f;
}

.map{
    float: left;
    margin-left: 20px;
    margin-top: 10px;
    padding-right: 23px;
    border-right: 1px transparent solid;
    border-image: -webkit-linear-gradient(top,transparent,#3a3a3a) 1 10;
}

.foot-right{
    float: left;
    
    margin-left: 30px;
    text-align: center;
    
}
.foot-right p{
    font-size: 14px;
    color: #464646;
    line-height: 20px;
}

.footer{
    height: 35px;
    background-color: #000;
    padding-top: 20px;
}
.footer p{
    text-align: center;
    color: #a8a8a8;
}